Amagasaki, Japan

Shotaro Kadokawa

This inventor holds 3 USPTO granted patents and 3 published patent applications and 1 EPO patent. Top assignee: Nippon Steel Corporation. Active years: 2019-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shotaro Kadokawa. Retrieved from https://idiyas.com/inventor/shotaro-kadokawa

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 3 

% Patents Active = 33.3

 

Average Co-Inventor Count = 4.1

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Amagasaki, JP (2019 - 2020)
  • Tokyo, JP (2022)

Company Filing History:


Years Active: 2019-2022

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3 patents (USPTO):Explore Patents

Title: Shotaro Kadokawa: Innovator in Eddy-Current Technologies

Introduction

Shotaro Kadokawa is a prominent inventor based in Amagasaki, Japan. He has made significant contributions to the field of rail technology, particularly through his innovative designs in eddy-current braking systems. With a total of 3 patents to his name, Kadokawa continues to push the boundaries of engineering and technology.

Latest Patents

Kadokawa's latest patents include the "Eddy-current rail brake device" and the "Eddy current retarder with electricity generating function." The eddy-current rail brake device features a row of magnets, a supporting member, a case, and a lifting device. This design effectively prevents or reduces the adhesion of foreign objects while minimizing the device's size in the right-left direction. The eddy current retarder includes a brake drum, a magnet retention ring, and a switch mechanism that allows for efficient braking and electricity generation.

Career Highlights

Kadokawa is currently employed at Nippon Steel Corporation, where he applies his expertise in developing advanced braking systems. His work has garnered attention for its innovative approach to enhancing safety and efficiency in rail transport.

Collaborations

Throughout his career, Kadokawa has collaborated with notable colleagues, including Kenji Imanishi and Hiroshi Nogami. These partnerships have contributed to the successful development of his patented technologies.

Conclusion

Shotaro Kadokawa stands out as a key figure in the field of eddy-current technologies. His inventions not only demonstrate his technical prowess but also contribute to advancements in rail safety and efficiency.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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